body {
    font-family: Arial, sans-serif;
    background-color: #f8f8f8;
    padding: 0;
    margin: 0;
}

header {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 80px;
    background-color: #007bff;
    color: #fff;
    font-size: 24px;
    font-weight: bold;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

.button-group {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 30px;
}

button {
    font-family: Arial, sans-serif;
    font-size: 16px;
    font-weight: bold;
    color: #fff;
    background-color: #007bff;
    border: none;
    border-radius: 4px;
    padding: 10px 20px;
    cursor: pointer;
    transition: background-color 0.3s ease-in-out;
    margin: 5px;
}

button:hover {
    background-color: #0062cc;
}

.message {
    text-align: center;
    font-size: 18px;
    margin-top: 30px;
    padding: 20px;
    border-radius: 4px;
    background-color: #fff;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.2);
}
